<html>
<head>
<meta charset="utf-8"/>
<title>heishenhua</title>
</head>
<body>

<form action="payment.jsp" method="GET">
	<input type="text" name="book">
	<input type="submit" value="下单" />
</form>


<form action="jc.jsp" method="GET">
	<input type="text" name="number">
	<input type="submit" value="计算阶乘" />
</form>
<script>
	function myfunc(){
		alert('mmmm')
	}
</script>
<input type="button" value="xx" onclick="myfunc()" />
</body>
</html>